Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-11-07 | 156.70 | 156.70 | 151.83 | 155.51 | 155.51 | 1,552,000 |
| 2025-11-06 | 155.76 | 157.80 | 153.76 | 156.74 | 156.74 | 1,848,500 |
| 2025-11-05 | 149.66 | 153.68 | 148.51 | 153.43 | 153.43 | 1,806,000 |
| 2025-11-04 | 150.89 | 152.90 | 149.05 | 149.33 | 149.33 | 2,028,900 |
| 2025-11-03 | 153.60 | 155.33 | 149.63 | 151.44 | 151.44 | 2,197,200 |
| 2025-10-31 | 147.99 | 155.18 | 146.52 | 154.27 | 154.27 | 2,235,300 |
| 2025-10-30 | 140.10 | 154.44 | 138.00 | 149.61 | 149.61 | 2,745,200 |
| 2025-10-29 | 148.82 | 149.91 | 147.54 | 147.86 | 147.86 | 2,450,700 |
| 2025-10-28 | 150.01 | 150.30 | 148.37 | 149.13 | 149.13 | 1,662,800 |
| 2025-10-27 | 150.07 | 150.92 | 148.10 | 150.43 | 150.43 | 1,214,300 |
| 2025-10-24 | 151.09 | 151.92 | 148.98 | 149.89 | 149.89 | 1,338,300 |
| 2025-10-23 | 148.99 | 150.29 | 147.57 | 150.08 | 150.08 | 1,246,000 |
← NewerPage 5 of 5 · 252 trading days
Stock splits
| Date | Split (new : old) |
|---|---|
| 2001-01-18 | 3:1 |
| 1999-12-21 | 2:1 |
Dividends
No dividends on record.
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.